Posted by **tracy10** on Sunday, June 23, 2013 at 10:09pm.

Can someone give me the formula to work this out, I am not sure.

Find the value of t for the difference between two means based on an assumption of normality and this information about two samples. (Use sample 1 - sample 2. Give your answer correct to two decimal places.)

Sample Number Mean Std. Dev.

1 25 38.6 13.7

2 29 42.1 10.2

## Answer this Question

## Related Questions

- Math - Find the value of t for the difference between two means based on an ...
- Math - Find the value of t for the difference between two means based on an ...
- statistics help - Complete the hypothesis test with alternative hypothesis d...
- Statistics check - Complete the hypothesis test with alternative hypothesis d...
- statistics - Could someone work a problem like this one, for an example. ...
- math - Find the 95% confidence interval for the difference between two means ...
- math check - Find the 95% confidence interval for the difference between two ...
- math help - Complete the hypothesis test with alternative hypothesis d 0 ...
- bus stats - Given the following information about a hypothesis test of the ...
- Statistics - Find the 99% confidence interval for the difference between two ...